Earth warms and cools

To the editor:

Regarding global warming, the Earth has been warming and cooling since creation.

Unless you were sleeping in fifth-grade Ohio geography class, you learned that 20,000 years ago, two-thirds of the state was covered by glaciers.

It must have been a heck of a lot of heat to melt all of that ice.

If human action is the cause of the Earth getting warmer, you might as well try to raise the sea level by dumping 10 gallons of water into the ocean.

Warner Sanders

Toronto

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